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Finding the Fourth Proportional to 605,331.48, 907,681.92 and 225,940.19

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Solution

The fourth proportional to 605,331.48, 907,681.92 and 225,940.19 is: 338,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,331.48 : 907,681.92 = 225,940.19 : x
  2. Step 2: Convert to fraction form
    605,331.48/907,681.92 = 225,940.19/x
  3. Step 3: Cross multiply
    605,331.48x = 907,681.92 × 225,940.19
  4. Step 4: Simplify right side
    605,331.48x = 205,081,820,925.96
  5. Step 5: Solve for x
    x = 205,081,820,925.96/605,331.48
  6. Step 6: Final answer
    x = 338,792.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.